Replacing the main filter

The main filter cannot be cleaned; it must be completely replaced.

Cleaning the main filter with compressed air or a hammer is not permitted.

  1. Set the <I/0> switch to <0>.

  2. Pull out the mains plug.

  3. Unlock and open the service door using a square wrench.

  4. Remove the main filter from the housing.
  6. Dispose of the main filter in accordance with local laws and directives.

  7. Insert a new filter into the housing.
  9. Close the service door and lock it using a square wrench.